1 cmake_minimum_required (VERSION 2.8.11)
3 if(COMMAND cmake_policy)
5 cmake_policy(SET CMP0054 NEW)
8 cmake_policy(SET CMP0042 NEW)
12 include (CheckFunctionExists)
13 include (CheckIncludeFile)
14 include (CheckLibraryExists)
15 include (CheckCXXSourceCompiles)
16 include (CheckCXXCompilerFlag)
17 include (GenerateExportHeader)
19 # using 10.7 because boost requires libc++ and 10.6 doesn't include it
20 set(CMAKE_OSX_DEPLOYMENT_TARGET 10.7)
22 # only relevant for building shared libs but let's set it regardless
23 set(CMAKE_OSX_RPATH 1)
25 # Set the C++ standard to C++98 to avoid compilation errors on GCC 6 (which
27 if(CMAKE_VERSION VERSION_LESS "3.1")
28 if(CMAKE_COMPILER_IS_GNUCXX)
29 set (CMAKE_CXX_FLAGS "-std=gnu++98 ${CMAKE_CXX_FLAGS}")
32 set (CMAKE_CXX_STANDARD 98)
37 # read 'version' file into a variable (stripping any newlines or spaces)
38 file(READ version versionFile)
39 string(STRIP ${versionFile} SIMGEAR_VERSION)
41 set(FIND_LIBRARY_USE_LIB64_PATHS ON)
43 # use simgear version also as the SO version (if building SOs)
44 SET(SIMGEAR_SOVERSION ${SIMGEAR_VERSION})
46 # Warning when build is not an out-of-source build.
47 string(COMPARE EQUAL "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" InSourceBuild)
49 message(WARNING "Avoid building inside the source tree!")
50 message(WARNING "Create a separate build directory instead (i.e. 'sgbuild') and call CMake from there: ")
51 message(WARNING " mkdir ../sgbuild && cd ../sgbuild && cmake ${CMAKE_SOURCE_DIR}")
55 SET(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/COPYING")
56 SET(CPACK_RESOURCE_FILE_README "${PROJECT_SOURCE_DIR}/README")
57 SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Simulation support libraries for FlightGear and related projects")
58 SET(CPACK_PACKAGE_VENDOR "The FlightGear project")
59 SET(CPACK_GENERATOR "TBZ2")
60 SET(CPACK_INSTALL_CMAKE_PROJECTS ${CMAKE_CURRENT_BINARY_DIR};SimGear;ALL;/)
63 # split version string into components, note CMAKE_MATCH_0 is the entire regexp match
64 string(REGEX MATCH "([0-9]+)\\.([0-9]+)\\.([0-9]+)" CPACK_PACKAGE_VERSION ${SIMGEAR_VERSION} )
65 set(CPACK_PACKAGE_VERSION_MAJOR ${CMAKE_MATCH_1})
66 set(CPACK_PACKAGE_VERSION_MINOR ${CMAKE_MATCH_2})
67 set(CPACK_PACKAGE_VERSION_PATCH ${CMAKE_MATCH_3})
69 message(STATUS "version is ${CPACK_PACKAGE_VERSION_MAJOR} dot ${CPACK_PACKAGE_VERSION_MINOR} dot ${CPACK_PACKAGE_VERSION_PATCH}")
71 set(CPACK_SOURCE_GENERATOR TBZ2)
72 set(CPACK_SOURCE_PACKAGE_FILE_NAME "simgear-${SIMGEAR_VERSION}" CACHE INTERNAL "tarball basename")
73 set(CPACK_SOURCE_IGNORE_FILES
74 "^${PROJECT_SOURCE_DIR}/.git;\\\\.gitignore;Makefile.am;~$;${CPACK_SOURCE_IGNORE_FILES}")
76 message(STATUS "ignoring: ${CPACK_SOURCE_IGNORE_FILES}")
80 # We have some custom .cmake scripts not in the official distribution.
81 set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/CMakeModules;${CMAKE_MODULE_PATH}")
83 # Change the default build type to something fast
84 if(NOT CMAKE_BUILD_TYPE)
85 set(CMAKE_BUILD_TYPE Release CACHE STRING
86 "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel."
88 endif(NOT CMAKE_BUILD_TYPE)
90 # Determine name of library installation directory, i.e. "lib" vs "lib64", which
91 # differs between all Debian-based vs all other Linux distros.
92 # See cmake bug #11964, http://cmake.org/gitweb?p=cmake.git;a=commit;h=126c993d
93 include(GNUInstallDirs)
94 message(STATUS "Library installation directory: ${CMAKE_INSTALL_LIBDIR}")
96 #####################################################################################
97 # Configure library search paths
98 #####################################################################################
100 if(NOT "${CMAKE_LIBRARY_ARCHITECTURE}" STREQUAL "")
101 # Workaround for Ubuntu/Debian which introduced the "multiarch" library
102 # directory structure, which is unsupported by CMake < 2.8.10, so we need to
104 # see http://www.cmake.org/Bug/view.php?id=12049 and
105 # http://www.cmake.org/Bug/view.php?id=12037
106 list(APPEND ADDITIONAL_LIBRARY_PATHS
107 /usr/local/lib/${CMAKE_LIBRARY_ARCHITECTURE}
108 /usr/lib/${CMAKE_LIBRARY_ARCHITECTURE}
109 /lib/${CMAKE_LIBRARY_ARCHITECTURE})
110 message(STATUS "additional library directories: ${ADDITIONAL_LIBRARY_PATHS}")
113 #####################################################################################
116 option(SIMGEAR_SHARED "Set to ON to build SimGear as a shared library/framework" OFF)
117 option(SYSTEM_EXPAT "Set to ON to build SimGear using the system expat library" OFF)
118 option(SYSTEM_UDNS "Set to ON to build SimGear using the system udns library" OFF)
120 # Building SimGear DLLs is currently not supported for MSVC.
121 set(SIMGEAR_SHARED OFF)
122 # Using external 3rd party libraries is currently not supported for MSVC - it would require shared simgear (DLL).
123 set(SYSTEM_EXPAT OFF)
127 option(SIMGEAR_HEADLESS "Set to ON to build SimGear without GUI/graphics support" OFF)
128 option(ENABLE_RTI "Set to ON to build SimGear with RTI support" OFF)
129 option(ENABLE_TESTS "Set to OFF to disable building SimGear's test applications" ON)
130 option(ENABLE_SOUND "Set to OFF to disable building SimGear's sound support" ON)
131 option(ENABLE_PKGUTIL "Set to ON to build the sg_pkgutil application (default)" ON)
132 option(ENABLE_DNS "Set to ON to use udns library and DNS service resolver" ON)
135 GET_FILENAME_COMPONENT(PARENT_DIR ${PROJECT_BINARY_DIR} PATH)
137 SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty.x64")
139 SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty")
141 if (EXISTS ${TEST_3RDPARTY_DIR})
142 set(MSVC_3RDPARTY_ROOT ${PARENT_DIR} CACHE PATH "Location where the third-party dependencies are extracted")
143 else (EXISTS ${TEST_3RDPARTY_DIR})
144 set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
145 endif (EXISTS ${TEST_3RDPARTY_DIR})
147 set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
150 if (MSVC AND MSVC_3RDPARTY_ROOT)
151 message(STATUS "3rdparty files located in ${MSVC_3RDPARTY_ROOT}")
152 set( OSG_MSVC "msvc" )
153 if (${MSVC_VERSION} EQUAL 1700)
154 set( OSG_MSVC ${OSG_MSVC}110 )
155 elseif (${MSVC_VERSION} EQUAL 1600)
156 set( OSG_MSVC ${OSG_MSVC}100 )
157 else (${MSVC_VERSION} EQUAL 1700)
158 set( OSG_MSVC ${OSG_MSVC}90 )
159 endif (${MSVC_VERSION} EQUAL 1700)
161 set( OSG_MSVC ${OSG_MSVC}-64 )
162 set( MSVC_3RDPARTY_DIR 3rdParty.x64 )
164 set( MSVC_3RDPARTY_DIR 3rdParty )
167 set (CMAKE_LIBRARY_PATH ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/lib ${MSVC_3RDPARTY_ROOT}/install/${OSG_MSVC}/OpenScenegraph/lib ${MSVC_3RDPARTY_ROOT}/install/${OSG_MSVC}/OpenRTI/lib )
168 set (CMAKE_INCLUDE_PATH ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/include ${MSVC_3RDPARTY_ROOT}/install/${OSG_MSVC}/OpenScenegraph/include ${MSVC_3RDPARTY_ROOT}/install/${OSG_MSVC}/OpenRTI/include)
169 find_path(BOOST_ROOT boost/version.hpp
170 ${MSVC_3RDPARTY_ROOT}/boost
171 ${MSVC_3RDPARTY_ROOT}/boost_1_52_0
172 ${MSVC_3RDPARTY_ROOT}/boost_1_51_0
173 ${MSVC_3RDPARTY_ROOT}/boost_1_50_0
174 ${MSVC_3RDPARTY_ROOT}/boost_1_49_0
175 ${MSVC_3RDPARTY_ROOT}/boost_1_48_0
176 ${MSVC_3RDPARTY_ROOT}/boost_1_47_0
177 ${MSVC_3RDPARTY_ROOT}/boost_1_46_1
178 ${MSVC_3RDPARTY_ROOT}/boost_1_46_0
179 ${MSVC_3RDPARTY_ROOT}/boost_1_45_0
180 ${MSVC_3RDPARTY_ROOT}/boost_1_44_0
182 # set (BOOST_ROOT ${MSVC_3RDPARTY_ROOT}/boost_1_44_0)
183 message(STATUS "BOOST_ROOT is ${BOOST_ROOT}")
184 set (OPENAL_INCLUDE_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/include)
185 set (OPENAL_LIBRARY_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/lib)
186 endif (MSVC AND MSVC_3RDPARTY_ROOT)
189 find_library(COCOA_LIBRARY Cocoa)
191 # using 10.7 because boost requires libc++ and 10.6 doesn't include it
192 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=10.7")
195 if(${CMAKE_SYSTEM_NAME} MATCHES "Linux" OR
196 ${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
197 find_package(Threads REQUIRED)
200 # Somehow this only works if included before searching for Boost...
201 include(BoostTestTargets)
203 find_package(Boost REQUIRED)
204 set (BOOST_CXX_FLAGS "-DBOOST_BIMAP_DISABLE_SERIALIZATION")
207 message(STATUS "SimGear mode: HEADLESS")
210 message(STATUS "SimGear mode: NORMAL")
211 find_package(OpenGL REQUIRED)
214 find_package(OpenAL REQUIRED)
215 message(STATUS "Sound support: ENABLED")
218 find_package(OpenSceneGraph 3.2.0 REQUIRED osgText osgSim osgDB osgParticle osgGA osgViewer osgUtil)
219 endif(SIMGEAR_HEADLESS)
221 find_package(ZLIB REQUIRED)
222 find_package(CURL REQUIRED)
225 message(STATUS "Requested to use system Expat library, forcing SIMGEAR_SHARED to true")
226 set(SIMGEAR_SHARED ON)
227 find_package(EXPAT REQUIRED)
230 message(STATUS "Using built-in expat code")
231 # XML_STATIC is important to avoid sg_expat_external.h
232 # declaring symbols as declspec(import)
233 add_definitions(-DHAVE_EXPAT_CONFIG_H -DXML_STATIC)
234 set(EXPAT_INCLUDE_DIRS
235 ${PROJECT_SOURCE_DIR}/3rdparty/expat
236 ${PROJECT_BINARY_DIR}/3rdparty/expat)
239 include_directories(${EXPAT_INCLUDE_DIRS})
241 check_include_file(inttypes.h HAVE_INTTYPES_H)
242 check_include_file(sys/time.h HAVE_SYS_TIME_H)
243 check_include_file(sys/timeb.h HAVE_SYS_TIMEB_H)
244 check_include_file(unistd.h HAVE_UNISTD_H)
245 check_include_file(windows.h HAVE_WINDOWS_H)
248 # ShivaVG needs inttypes.h
249 add_definitions(-DHAVE_INTTYPES_H)
253 # See if we have any rti library variant installed
254 message(STATUS "RTI: ENABLED")
257 message(STATUS "RTI: DISABLED")
260 check_function_exists(gettimeofday HAVE_GETTIMEOFDAY)
261 check_function_exists(ftime HAVE_FTIME)
262 check_function_exists(timegm HAVE_TIMEGM)
263 check_function_exists(rint HAVE_RINT)
264 check_function_exists(mkdtemp HAVE_MKDTEMP)
265 check_function_exists(bcopy HAVE_BCOPY)
266 check_function_exists(mmap HAVE_MMAP)
269 set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
270 check_cxx_source_compiles(
272 #if !defined(_POSIX_TIMERS) || (0 >= _POSIX_TIMERS)
273 #error clock_gettime is not supported
276 int main() { return 0; }
282 if(HAVE_CLOCK_GETTIME)
283 check_library_exists(rt clock_gettime "" HAVE_RT)
287 endif(HAVE_CLOCK_GETTIME)
290 check_cxx_source_compiles(
299 check_library_exists(dl dlerror "" HAVE_DL)
305 SET(CMAKE_DEBUG_POSTFIX "d" CACHE STRING "add a postfix, usually 'd' on windows")
306 SET(CMAKE_RELEASE_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
307 SET(CMAKE_RELWITHDEBINFO_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
308 SET(CMAKE_MINSIZEREL_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
310 # isnan might not be real symbol, so can't check using function_exists
311 check_cxx_source_compiles(
313 int main() { return isnan(0.0);} "
316 check_cxx_source_compiles(
318 int main() { return std::isnan(0.0);} "
321 if(CMAKE_COMPILER_IS_GNUCXX)
322 set(WARNING_FLAGS_CXX "-Wall")
323 set(WARNING_FLAGS_C "-Wall")
325 # certain GCC versions don't provide the atomic builds, and hence
326 # require is to provide them in SGAtomic.cxx
327 set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
328 check_cxx_source_compiles(
329 "int main() { unsigned mValue; return __sync_add_and_fetch(&mValue, 1); }"
330 GCC_ATOMIC_BUILTINS_FOUND)
331 endif(CMAKE_COMPILER_IS_GNUCXX)
333 if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
334 # Boost redeclares class members
335 set(WARNING_FLAGS_CXX "-Wall -Wno-overloaded-virtual -Wno-redeclared-class-member")
336 set(WARNING_FLAGS_C "-Wall")
337 set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LIBRARY "libc++")
338 set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LANGUAGE_STANDARD "c++11")
339 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -stdlib=libc++")
342 if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
343 # boost goes haywire wrt static asserts
344 check_cxx_compiler_flag(-Wno-unused-local-typedefs HAS_NOWARN_UNUSED_TYPEDEFS)
345 if(HAS_NOWARN_UNUSED_TYPEDEFS)
346 set(WARNING_FLAGS_CXX " ${WARNING_FLAGS_CXX} -Wno-unused-local-typedefs")
353 add_definitions(-D_WIN32_WINNT=0x501)
357 # turn off various warnings
358 # foreach(warning 4244 4251 4267 4275 4290 4786 4305 4996)
359 # SET(WARNING_FLAGS "${WARNING_FLAGS} /wd${warning}")
360 # endforeach(warning)
362 set(MSVC_FLAGS "-DWIN32 -DNOMINMAX -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D__CRT_NONSTDC_NO_WARNINGS /wd4996 /wd4250")
363 if (${MSVC_VERSION} GREATER 1599)
364 set( MSVC_LD_FLAGS "/FORCE:MULTIPLE" )
365 endif (${MSVC_VERSION} GREATER 1599)
367 if (${MSVC_VERSION} GREATER 1899)
368 # needed for debug builds with VS2015
369 set( MSVC_FLAGS "${MSVC_FLAGS} /bigobj" )
374 set(HAVE_GETLOCALTIME 1)
376 set( WINSOCK_LIBRARY "ws2_32.lib" )
377 set( RT_LIBRARY "winmm" )
380 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS_C} ${MSVC_FLAGS}")
381 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS_CXX} ${MSVC_FLAGS} ${BOOST_CXX_FLAGS}")
382 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${MSVC_LD_FLAGS}")
384 # use BEFORE to ensure local directories are used first,
385 # ahead of system-installed libs
386 include_directories(BEFORE ${PROJECT_SOURCE_DIR})
387 include_directories(BEFORE ${PROJECT_SOURCE_DIR}/simgear/canvas/ShivaVG/include)
388 include_directories(BEFORE ${PROJECT_BINARY_DIR}/simgear)
390 include_directories(${OPENSCENEGRAPH_INCLUDE_DIRS}
391 ${Boost_INCLUDE_DIRS}
393 ${OPENAL_INCLUDE_DIR}
397 add_definitions(-DHAVE_CONFIG_H)
399 # configure a header file to pass some of the CMake settings
402 "${PROJECT_SOURCE_DIR}/simgear/simgear_config_cmake.h.in"
403 "${PROJECT_BINARY_DIR}/simgear/simgear_config.h"
407 # enable CTest / make test target
408 message(STATUS "Tests: ENABLED")
413 message(STATUS "Tests: DISABLED")
416 # always set TEST_LIBS as it is also used by other tools/applications
417 set(TEST_LIBS_INTERNAL_CORE
418 ${CMAKE_THREAD_LIBS_INIT}
425 set(TEST_LIBS SimGearCore ${TEST_LIBS_INTERNAL_CORE})
427 if(NOT SIMGEAR_HEADLESS)
428 set(TEST_LIBS SimGearScene ${OPENGL_LIBRARIES} ${TEST_LIBS})
431 install (FILES ${PROJECT_BINARY_DIR}/simgear/simgear_config.h DESTINATION include/simgear/)
433 include_directories(3rdparty/utf8/source)
437 message(STATUS "Requested to use system udns library, forcing SIMGEAR_SHARED to true")
438 set(SIMGEAR_SHARED ON)
439 find_package(Udns REQUIRED)
441 message(STATUS "DNS resolver: ENABLED")
442 include_directories(3rdparty/udns)
445 message(STATUS "DNS resolver: DISABLED")
449 add_subdirectory(3rdparty)
450 add_subdirectory(simgear)
452 #-----------------------------------------------------------------------------
453 ### Export stuff, see https://cmake.org/cmake/help/v3.2/manual/cmake-packages.7.html#creating-packages
454 #-----------------------------------------------------------------------------
456 generate_export_header(SimGearCore)
457 if(NOT SIMGEAR_HEADLESS)
458 generate_export_header(SimGearScene)
461 include(CMakePackageConfigHelpers)
463 write_basic_package_version_file(
464 "${CMAKE_CURRENT_BINARY_DIR}/SimGear/SimGearConfigVersion.cmake"
465 VERSION ${SIMGEAR_VERSION}
466 COMPATIBILITY AnyNewerVersion
469 configure_file(SimGearConfig.cmake.in
470 "${CMAKE_CURRENT_BINARY_DIR}/SimGear/SimGearConfig.cmake"
474 set(ConfigPackageLocation lib/cmake/SimGear)
475 install(EXPORT SimGearTargets
476 DESTINATION ${ConfigPackageLocation}
480 "${CMAKE_CURRENT_BINARY_DIR}/SimGear/SimGearConfig.cmake"
481 "${CMAKE_CURRENT_BINARY_DIR}/SimGear/SimGearConfigVersion.cmake"
482 DESTINATION ${ConfigPackageLocation}
486 #-----------------------------------------------------------------------------
488 #-----------------------------------------------------------------------------
490 "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/cmake_uninstall.cmake.in"
491 "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
493 ADD_CUSTOM_TARGET(uninstall
494 "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")